Your startup is building a prototype that has an evolving schema. Your data will be eventually consistent. Your application is hosted in AWS. Which databse do you choose?

You need to create a scalable databse that allows you to share documents across authorized mobile clients in real time. What Google NoSQL database should you use?

You need to design security for DynamoDB to allow users read-obly access to certain items and attriutes in a table. What do you do?

Which statement is preferred Cypher code for Neo4j?

You need multi-item ACID transactions with snapshot isolation within a partition for your cloud-based application. Which NoSQL databse do you choose?

Ou need to control your application's batch updates destination for your Bigtable multinode cluster. Which action do you take?

You need to store an unordered collection of name-value pairs with differing data types in DynamoDB. Which data type should you choose?

What is the recommended size for Redis keys?

You need to execute a command for MongoDB that does NOT load values from the .mongorc.js file. What do you do ?

You are developing a model for a graph database. Your data will be moved from a relational database into Neo4j. Which of these transformations apply?

You need to create a scalable database that allows you to query data nodes and edges efficiently. What do you use?